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All replies
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Helpful answers
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Sep 2, 2012 9:32 AM in response to mario_hwangby Philly_Phan,I doubt it. However, this should help you.
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Sep 2, 2012 10:26 AM in response to Philly_Phanby mario_hwang,coz in android got an app called "current widget" that app should be able to display the actual current being charged. so i think there is something like that for ipad.
http://www.appbrain.com/app/currentwidget/com.manor.currentwidget
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Sep 2, 2012 1:11 PM in response to mario_hwangby Philly_Phan,If it's important to you, your best course of action is to purchase an Android device. Personally, I see no value in such an app.
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Sep 2, 2012 1:32 PM in response to mario_hwangby Texas Mac Man,The iPad's charger is rated at 10W. The output is 5V, so the current is 2A while it's charging.
Here's some battery/charging info.
The quickest way (and really the only way) to charge your iPad is with the included 10W USB Power Adapter. iPad will also charge, although more slowly, when attached to a computer with a high-power USB port (many recent Mac computers) or with an iPhone Power Adapter (5W). When attached to a computer via a standard USB port (most PCs or older Mac computers) iPad will charge very slowly (but iPad indicates not charging). Make sure your computer is on while charging iPad via USB. If iPad is connected to a computer that’s turned off or is in sleep or standby mode, the iPad battery will continue to drain.
Apple recommends that once a month you let the iPad fully discharge & then recharge to 100%.
How to Calibrate Your Mac, iPhone, or iPad Battery
http://www.macblend.com/how-to-calibrate-your-mac-iphone-or-ipad-battery/
At this link http://www.tomshardware.com/reviews/galaxy-tab-android-tablet,3014-11.html , tests show that the iPad 2 battery (25 watt-hours) will charge to 90% in 3 hours 1 minute. It will charge to 100% in 4 hours 2 minutes. The new iPad has a larger capacity battery (42 watt-hours), so using the 10W charger will obviously take longer. If you are using your iPad while charging, it will take even longer. It's best to turn your new iPad OFF and charge over night. Also look at The iPad's charging challenge explained http://www.macworld.com/article/1150356/ipadcharging.html
Also, if you have a 3rd generation iPad, look at
Apple: iPad Battery Nothing to Get Charged Up About
http://allthingsd.com/20120327/apple-ipad-battery-nothing-to-get-charged-up-abou t/
Apple Explains New iPad's Continued Charging Beyond 100% Battery Level
New iPad Takes Much Longer to Charge Than iPad 2
http://www.iphonehacks.com/2012/03/new-ipad-takes-much-longer-to-charge-than-ipa d-2.html
Apple Batteries - iPad http://www.apple.com/batteries/ipad.html
Extend iPad Battery Life (Look at pjl123 comment)
https://discussions.apple.com/thread/3921324?tstart=30
New iPad Slow to Recharge, Barely Charges During Use
http://www.pcworld.com/article/252326/new_ipad_slow_to_recharge_barely_charges_d uring_use.html
Tips About Charging for New iPad 3
http://goodscool-electronics.blogspot.com/2012/04/tips-about-charging-for-new-ip ad-3.html
Prolong battery lifespan for iPad / iPad 2 / iPad 3: charging tips
http://thehowto.wikidot.com/prolong-battery-lifespan-for-ipad
iPhone, iPod, Using the iPad Charger
http://support.apple.com/kb/HT4327
Install and use Battery Doctor HD
http://itunes.apple.com/tw/app/battery-doctor-hd/id459702901?mt=8
In rare instances when using the Camera Connection Kit, you may notice that iPad does not charge after using the Camera Connection Kit. Disconnecting and reconnecting the iPad from the charger will resolve this issue.
Cheers, Tom
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Mar 7, 2016 6:14 PM in response to mario_hwangby Nelson,I have the same requirement having come from using "ampere" on Android. It is useful when faced with a choice of charging cables and power sources. Everyone has more than one computer at home or work. Do they all provide the same charging current? Some third-party cables impede the current and so charging takes longer.
If anyone has come across a suitable app for IoS I would be grateful to know.
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May 23, 2016 12:30 PM in response to Nelsonby crlyon,Came across this old thread when searching for the same thing. Thought I'd reply in case with my solution in case anyone else stumbles upon it the same way and to counter the several ridiculous responses above ("best course of action is to purchase an Android phone"...seriously?!)
I tried several apps and didn't find anything worthwhile, so ended up purchasing one of these devices which aren't much more expensive then a mobile app anyway:
https://www.amazon.com/dp/B00J3JSEG6/
https://www.amazon.com/dp/B00J3JSEG6/
I got the 2nd one (the white one) though the first has slightly better reviews. There's a ton of them out there for around $10 though (I have no affiliation to any of these products whatsoever) so you may want to do a search to look at others. I came to the conclusion that a device like one of these is a superior and more reliable solution for testing, and diagnosing issues with, charging adapters and cables. Not just the cheap third party ones but the original Apple and MFI certified ones too as I've had plenty of both that have failed in the past. Hope this helps someone out.